Association between the epidermal growth factor gene polymorphism and endometriosis in women from Brazil.

The aim of this study was to verify the association between the epidermal growth factor (EGF) +61 G/A polymorphism and the susceptibility to endometriosis using a case-control design study. The control group included fertile women without endometriosis and the case group included endometriosis patients. Polymerase chain reaction-restriction fragment length polymorphism analysis was used to genotype the EGF +61 G/A polymorphism. Initially, a total of 184 individuals were analyzed. After matching by ethnicity, the control group was composed of 57 individuals, while the endometriosis group was composed of 57 patients. No statistically significant associations were observed between EGF +61 variants and the risk of endometriosis development (P>0.05). This is the first study correlating the EFG +61 G/A polymorphism and endometriosis in women from Brazil, and demonstrates that EFG +61 G/A is not associated with endometriosis susceptibility in Brazilian women.

Biofilm. Un Nuevo concepto de infección en Endodoncia / Biofilm. A new infection concept in endodintics

Distintos estudios concluyen que el porcentaje de éxito del tratamiento de conductos en dientes necróticos es menor que en dientes vitales. Hoy día, se postula que la verdadera causa de fracaso de muchos tratamientos de conductos aparentemente correctos es la entidad infecciosa conocida como biofilm. Además, se ha mostrado como un tipo de infección doble. Por un lado, conocer el papel del biofilm en Endodoncia: morfología, metabolismo, formación, evolución y localización. Por otro, actualizar los métodos que propone la Endodoncia para controlarlo y eliminarlo, poniendo especial atención EN la técnica de irrigación. Elegida por muchos autores como la clave para su tratamiento (AU)

Different studies have concluded that the success rate of root canal treatment in necreotic teeth is lower than in vita l teeth. Nowadays, the real cause of failure in many root canal treatment that have apparently been correctly carried out is considered to be the infectious matter know as biofilm. Elimination form the canal of this type of infection has proved to be very difficult and has become one of the great challenges in modern endodontics. The aim of this review article is twofold: firstly, to understand the role of bifilm in endodontics, with respect to its morphology, metabolism, formation, evolution and localization, and, secondly to update endodontic procedures for controlling and eliminating it, paying particular attention to the technique of irrigation which is the preferred key to treatment of many authors (AU)

Diferentes tipos de MTA como materiales de obturación a retro / Different types of MTA as root-end filling materials

El MTA es un material que ha demostrado suficiente capacidad de sellado y respuesta tisular favorable en diversos estudios de diversas especialidades odontológicas. En la actualidad existen dos presentaciones de MTA: MTA oscuro o gris y MTA claro o blanco. Las diversas referencias consultadas muestran ciertas diferencias tanto en composición química como en manejo clínico. El objetivo de esta revisión es actualizar los conocimientos sobre ambos tipos de MTA, especialmente como material de obturación a retro en cirugía periapical (AU)

MTA is a material that has demonstrated to be able to provide appropiate sealing and tisular response in several studies of different dentistry areas. Nowadays, exist two types of MTA: MTA dark or grey and MTA light or white. References consulted show differences in chemical composition and clinical management. The aim of this review is to update the knowledge about both types of MTA, over all as root-end filling material in periapical surgery (AU)

Revisión crítica de los factores pronóstico en cirugía periapical / Critical review of prognosis factors in periapical surgery

La cirugía periapical muestra porcentajes de éxito contradictorios en diferentes estudios. Los diferentes autores no coinciden en alguno de los factores que determinan el éxito o fracaso de la técnica. El objetivo de esta revisión es analizar la información al respecto para obtener los factores críticos a tener en cuenta por el profesional a la hora de indicar, planificar y tratar un caso de cirugía periapical (AU)

Periapical surgery shows contradictory success rates in several studies. Many authors do not get agreement in factors that establish surgery success or failure. The aim of this review is to analize data about the question to get the critical factors that dentist have to observe before indicating, making a treatment planning and treating teeth with periapical surgery (AU)

Importancia de la irrigación en el éxito del tratamiento de conductos radiculares necróticos. Parte 2 / No disponible

La primera parte de este trabajo actualizaba el conocimiento de la necrosis pulpar y analizaba el tipo de bacterias características, así como su relación con el sistema de conductos radiculares. A continuación, se exponía el tratamiento, priorizando la acción de los irrigantes, así como distintas secuencias de irrigación y asociaciones de irrigantes recomendadas por la literatura. En esta segunda parte, nos ocuparemos de la relevancia de los instrumentos de endodoncia y de su relación con la irrigación. Además, se revisarán otros métodos de desinfección intraconducto alternativos a los instrumentos e irrigante so que los complementen y se expondrán los nuevos irrigantes que nos aporta bibliografía actual. Por último. Se expone lo más relevante conocido hasta el momento de biofilm, entidad infecciosa de reciente conocimiento en Endodoncia, y sus posibilidades de tratamiento (AU)

Part one of this article updated the knowledge about pulp necrosis and analyzed the type of bacteria as well as its relationship with the root canal system. After, the treatment was exposed, prioritizaing irrigants action as well as different irrigation sequences. We showed associations of irrigants recommended in the literature too. In part two, we will deal with relevance of endodontic instruments and its relationship with irrigation. Furthermore, other ways of canal disinfection, alternative to the instruments and irrigation, will be reviewed, and we will show the new irrigants contributed by current bibliography. Last, the most relevant aspects of biofilm, emerging infectious entity in endodontics, are exposed as well as the different treatment options (AU)

Importancia de la irrigación en el éxito del tratamiento de conductos radiculares necróticos. Parte 1 / No disponible

El objetivo del tratamiento de conductos es la limpieza y conformación de sistema de conductos radiculares. Una de las principales patología que trata es la periodontitis apical crónica, que sería la consecuencia en los tejidos periapicales de la necrosis del tejido pulpar. Diversos estudios científicos muestran un índice mayor de fracasos en dientes con esta patología que con otras. Además, muchos autores coinciden en que la irrigación es actualmente el arma terapéutica más eficaz ante esta patología. El objetivo de esta primera parte de la revisión es actualizar los conocimientos sobre la periodontitis apical crónica y su tratamiento, especialmente desde el punto de vista de la irrigación (AU)

The objective of the intracanal treatment procedures is cleaning and shaping the root canal system in such a way that the filling will be facilitated in order to seal the apical foramen. One of the most important diseases this therapy treats is apical periodontitis which is a sequel to endodontic infection and manifests as the host defense response to microbial challenge. Many studies demonstrate a higher failure rate with apical periodontitis than others pathologies. Furthermore many authors agree that irrigation is the most powerful weapon against this pathology. The aim of this first part of the review study is to update the knowledge about chronic apical periodontitis and its treatment, specially form the point of view of irrigation (AU)

Persistence of metabolic rhythmicity during fasting and its entrainment by restricted feeding schedules in rats.

The presence of a food-entrainable oscillator (FEO) independent from the SCN is now well established, but until now its location and characterization have been elusive. Because its expression requires priming of the animal's metabolism toward a catabolic state, it is possible that metabolic rhythms may be related to FEO. The present study was designed to determine whether metabolic rhythms persist during fasting and whether such rhythms could be entrained to a restricted feeding schedule. The results indicate persistent rhythms of triacylglycerides, free fatty acids, glucose, and proteins during fasting, whereas ketone bodies and liver glycogen changed their concentration as a function of fasting. Daily food pulses of 2 h entrained the rhythms of triacylglycerides and free fatty acids and restored ketone bodies and liver glycogen to similar levels as controls. Neither glucose nor proteins were affected by the food pulse. These results indicate the relevance of lipid metabolism as a phenomenon associated with the FEO.

[Idiopathic sclerosing peritonitis (ISP). A report of a new case and a review of the literature]. / Peritonitis esclerosante idiopática (P.E.I.). Presentación de un nuevo caso y revisión de la literatura.

Idiopathic sclerosing peritonitis (I.S.P.) is a rare disease, in which the small bowel is encased in a fibrous capsule, with symptoms and signs of intestinal obstruction. A new case of I.S.P. in a 42-year-old man who underwent laparotomy and was reoperated for intestinal obstruction is presented. A jejunal fistula with a favorable outcome occurred in this case. The literature about this entity is reviewed, and 16 cases are collected. This condition is being reported more and more commonly and requires further research to elucidate its unknown mechanism.